Cita APA (7a ed.)

Pollard, S. (1990). Wealth & poverty: An economic history of the 20th century. Harrap.

Cita Chicago Style (17a ed.)

Pollard, Sidney. Wealth & Poverty: An Economic History of the 20th Century. London: Harrap, 1990.

Cita MLA (9a ed.)

Pollard, Sidney. Wealth & Poverty: An Economic History of the 20th Century. Harrap, 1990.